CN112185263A - Maintenance mechanism and maintenance tool for display screen - Google Patents
Maintenance mechanism and maintenance tool for display screen Download PDFInfo
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- CN112185263A CN112185263A CN202011183074.5A CN202011183074A CN112185263A CN 112185263 A CN112185263 A CN 112185263A CN 202011183074 A CN202011183074 A CN 202011183074A CN 112185263 A CN112185263 A CN 112185263A
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- 230000008531 maintenance mechanism Effects 0.000 title claims abstract description 22
- 238000012423 maintenance Methods 0.000 title claims abstract description 18
- 238000005452 bending Methods 0.000 claims description 43
- 230000008602 contraction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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Abstract
The invention discloses a maintenance mechanism and a maintenance tool for a display screen, wherein the maintenance mechanism comprises a frame body, a display module, a fixing piece and a locking piece, wherein the frame body is provided with a locking hole; the display module is provided with a front surface and a back surface, and the front surface is provided with an operation hole communicated with the back surface; the fixing piece is fixedly arranged on the back surface and can movably penetrate through the locking hole; the locking piece is movably arranged on the fixing piece and provided with a locking part and an operating part, the locking part is positioned on one side of the frame body far away from the display module, and the operating part can be operated to move to one side far away from the display module so as to enable the locking part to contract towards the fixing piece; and separating the display module from the frame body; wherein the operation portion is disposed opposite to the operation hole. Only need be at display module's an handle hole that sets up to utilize the handle hole to carry out the control of retaining member, thereby realize display module's dismantlement, and the handle hole occupies the positive less area of display module, enough reduces the clearance between the lamp pearl, improves display module's definition.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to a maintenance mechanism and a maintenance tool for a display screen.
Background
In the correlation technique, the display screen maintenance mechanism includes the framework, and the front of framework is connected with display module assembly. Specifically, the front face of the display module is in threaded connection with a screw, and a screw rod of the screw is in threaded connection with the frame body, so that the display module is fixed on the frame body; however, the nut of the screw occupies the area of the front face of the display module, so that the distance between adjacent lamp beads of the display module is too large, the definition of the display screen is low, and the effect is poor.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a maintenance mechanism for a display screen, which can avoid the influence on the definition of the display screen due to too large space between lamp beads.
The invention also provides a maintenance tool.
According to a first aspect of the present invention, a maintenance mechanism for a display screen includes:
a frame body having a locking hole;
the display module is provided with a front surface and a back surface, and the front surface is provided with an operation hole communicated with the back surface;
the fixing piece is fixedly arranged on the back face and can movably penetrate through the locking hole;
the locking part is movably arranged on the fixing part and provided with a locking part and an operating part, the locking part is positioned on one side of the frame body, which is far away from the display module, and the operating part can be operated to move to one side, which is far away from the display module, so that the locking part can be contracted towards the fixing part, and the display module is separated from the frame body; wherein the operation portion is disposed opposite to the operation hole.
The maintenance mechanism for the display screen provided by the embodiment of the invention at least has the following technical effects: through adopting this application scheme, only need be at display module's an handle hole of setting up to utilize the handle hole to carry out the control of retaining member, thereby realize display module's dismantlement. Compare in prior art, the shared display module assembly frontal area of handle hole is less, from this to can reduce the clearance between the lamp pearl, improve display module assembly's definition.
According to some embodiments of the invention, the locking part comprises a locking section and is unfolded to one side of the frame body away from the display module;
the fixing piece is provided with a butting part, and the butting part is butted with the side wall of the locking section, which is far away from the display module, so that the locking section is contracted towards the fixing piece.
According to some embodiments of the present invention, the locking portion further includes a positioning section connected to the operating portion and extending away from the display module, and a first elastic bending position is provided between the locking section and the positioning section, so that the locking section is unfolded to a side of the frame body away from the display module.
According to some embodiments of the present invention, the locking portion further includes a bending section connected between the positioning section and the locking section, a second elastic bending position is disposed between the bending section and the positioning section and faces the display module, and the first elastic bending position is formed between the bending section and the locking section.
According to some embodiments of the invention, the number of the locking portions is two, and the locking portions are symmetrically arranged with respect to the operating portion; a guide gap is formed between the two positioning sections, and the fixing piece is provided with a limiting piece which slides in the guide gap.
According to some embodiments of the invention, one end of the locking portion has an abutment section bent toward the fixing piece; the fixing piece is provided with a guide surface which is abutted against the abutting section, and the guide surface is perpendicular to the sliding direction of the operation part.
According to some embodiments of the present invention, the fixing member has a guide cavity defined therein for the operating portion to slide, and a side wall of the fixing member has a guide hole communicating with the guide cavity and through which the locking portion protrudes.
According to some embodiments of the invention, the fixture comprises: the first side plate is fixedly arranged on the display module; the second side plate is detachably connected to the first side plate; wherein the guide cavity is formed between the first side plate and the second side plate.
The maintenance tool according to the embodiment of the second aspect of the invention, for disassembling the above-described maintenance mechanism, includes a pushing member having a pushing end that can pass through the operation hole to push the operation portion.
The maintenance tool provided by the embodiment of the invention has at least the following beneficial effects: through the setting of maintenance tool, the user passes the handle hole through adopting the impeller slip, and the promotion end of impeller promotes the operation portion to the one side motion of keeping away from display module assembly, and synchronous, the undergauge portion contracts to the mounting, until locking portion can't interfere the mounting and slide off the locking hole, at this moment, can carry out the dismantlement of display module assembly fast.
According to some embodiments of the invention, the pushing member is threadably connectable with the operation hole and/or the fixing member.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of the overall structure of a maintenance structure according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the area A of FIG. 1;
FIG. 3 is a schematic view showing an assembled structure of the fixing member and the securing member according to the embodiment of the present invention;
FIG. 4 is a schematic diagram of an exploded view of a mount according to an embodiment of the invention;
FIG. 5 is a schematic view of the retaining member according to an embodiment of the present invention;
FIG. 6 is a schematic view of a retaining member in an expanded configuration according to an embodiment of the present invention;
FIG. 7 is an enlarged view of the area B in FIG. 6;
FIG. 8 is a schematic diagram of a maintenance tool working configuration according to an embodiment of the present invention;
fig. 9 is an enlarged view of the area B in fig. 8.
Reference numerals:
a display module 200, a front surface 210, a back surface 220, and an operation hole 230;
the fixing member 300, the base 310, the bottom plate 311, the fixing column 312, the through hole 313, the first side plate 320, the second side plate 330, the guide cavity 340, the guide hole 350, the guide surface 351, the abutting portion 352, and the stopper 360;
the locking member 400, the operating part 410, the locking part 420, the locking section 421, the positioning section 422, the bending section 423, the first elastic bending position 424, the second elastic bending position 425 and the abutting section 426;
a maintenance tool 500, a pusher 510, a pushing end 511.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to the maintenance mechanism for the display screen of the embodiment of the first aspect of the present invention, referring to fig. 1 to 4, the maintenance mechanism includes a frame body 100, a display module 200, a fixing member 300 and a locking member 400, the frame body 100 has a locking hole 110; the display module 200 has a front surface 210 and a back surface 220, the front surface 210 has an operation hole 230 communicating with the back surface 220; the fixing member 300 is fixedly disposed on the back surface 220 and can movably pass through the locking hole 110; the locking member 400 is movably disposed on the fixing member 300, the locking member 400 has a locking portion 420 and an operating portion 410, the locking portion 420 is located on a side of the frame body 100 away from the display module 200, and the operating portion 410 can be operated to move towards a side away from the display module 200, so that the locking portion 420 contracts towards the fixing member 300 and the display module 200 is separated from the frame body 100; the operation portion 410 is disposed opposite to the operation hole 230.
When the locking member 400 fixes the frame body 100 and the display module 200 together, the fixing member 300 is inserted into the locking hole 110, and the locking portion 420 is located at a side of the frame body 100 away from the display module 200 and abuts against the frame body 100, so that the locking portion 420 prevents the fixing member 300 from being separated from the frame body 100, and the display module 200 from being separated from the frame body 100.
When the display module 200 is disassembled, the user uses the external maintenance tool 500, the maintenance tool 500 slides through the operation hole 230 and abuts against the operation portion 410, at this time, the user applies an external force towards the operation portion 410, and the operation portion 410 moves to a side far away from the display module 200; at this time, the locking portion 420 is contracted toward the fixing member 300 by the operation portion 410 of the locking portion 420 until the locking portion 420 cannot interfere with the fixing member 300 to slide away from the locking hole 110; it can be seen that the user slides the fixing member 300 away from the locking hole 110 to rapidly detach the display module 200.
By adopting the above scheme, only one operation hole 230 needs to be arranged on the display module 200, and the locking member 400 is controlled by using the operation hole 230, so that the display module 200 is disassembled. Compare in prior art, the shared display module assembly 200 of handle hole is the area of face 210 less, from this to can reduce the clearance between the lamp pearl, improve display module assembly 200's definition.
In some embodiments, the number of the locking portions 420 is two, two locking portions 420 are symmetrically disposed about the operating portion 410, and the two locking portions 420 respectively abut against the inner side of the frame body 100 away from the display module 200, so that the locking member 400 can stably limit the frame body 100, and the display module 200 can be stably mounted on the frame body 100.
Specifically, referring to fig. 2, 5 and 7, the operating portion 410 and the two locking portions 420 are formed by bending a steel wire, and the following analysis is specifically performed:
the operation part 410 is a middle section of a steel wire, and is disposed at the inner side of the fixing member 300, and the inner port of the operation hole 230 faces the circumference of the middle section, thereby facilitating the pushing of the operation part 410; one locking part 420 is integrally connected to one end of the operating part 410, and the other locking part 420 is integrally connected to the other end of the operating part 410.
Further analyzing the locking part 420, the locking part 420 sequentially comprises a positioning section 422, a bending section 423 and a locking section 421 from one end of the operating part 410, and the locking section 421, the positioning section 422 and the bending section 423 are now sequentially analyzed.
Specifically, one end of the locking segment 421 is integrally connected to one end of the bending segment 423, a first elastic bending position 424 is formed between the end of the bending segment 423 and the end of the locking segment 421, and the first elastic bending position 424 enables the locking segment 421 to be unfolded towards the side away from the fixing member 300 and to be abutted against the side of the frame body 100 away from the display module 200; moreover, through the arrangement of the first elastic bending position 424, the locking section 421 can contract towards the fixing member 300 under the action of an external force, so as to avoid the interference that the fixing member 300 slides away from the locking hole 110, and thus the display module 200 and the frame body 100 are disassembled; in addition, the locking segment 421 can be restored to the expanded shape by the first elastic bending position 424 without the external force, so as to limit the frame body 100.
Further realizing the contraction of the locking segment 421 to the fixing member 300, the fixing member 300 has an abutting portion 352 facing the display module 200, and the abutting portion 352 abuts on the sidewall of the locking segment 421 away from the display module 200; from this, operation portion 410 is when keeping away from display module assembly 200 and moving, location section 422 is synchronous to the direction motion of keeping away from display module assembly 200, location section 422 drives retaining member 400 and moves to the one side of keeping away from display module assembly 200, at this moment, butt portion 352 produces certain reaction force to locking section 421, thereby make first elasticity position 424 warp, thereby make locking section 421 draw close mounting 300 gradually, and break away from the one side that display module assembly 200 was kept away from to framework 100, and then can carry out display module assembly 200's dismantlement fast.
One end of the locking segment 421 away from the bending segment 423 is connected with an abutting segment 426, and the length direction of the abutting segment 426 is perpendicular to the length direction of the fixing member 300; thus, the abutting section 426 abuts against the inner wall of the frame body 100 far from the display module 200 through the sidewall of the abutting section 426, so that the positions of the display module 200 and the frame body 100 are relatively stable.
The fixing member 300 has a guide surface 351, the guide surface 351 faces to a side away from the display module 200, and the sliding direction of the operation portion 410 is perpendicular to the guide surface 351, so that when the locking segment 421 is in the expanded state, one end of the abutting segment 426 away from the locking segment 421 abuts on the guide surface 351, thereby preventing the end of the abutting segment 426 from scratching the inner side of the frame body 100; meanwhile, the guiding surface 351 has a certain guiding function on the abutting section 426, so that the abutting section 426 slides relative to the fixing member 300, thereby performing the contraction of the locking section 421.
Further analyzing the positioning section 422, wherein one end of the positioning section 422 is connected to one end of the operating part 410, and the other end of the positioning section 422 extends vertically to one side far away from the display module 200, so that the operating part 410 drives the locking section 421 to move to one side far away from the display module 200 through the positioning section 422, thereby controlling the contraction of the locking section 421; as can be seen, through the arrangement of the locking segment 421, the operation portion 410 can be disposed at a position closer to the display module 200, thereby facilitating the control of the operation portion 410.
Further analyzing the bending section 423, the bending section 423 is disposed at one side of the positioning section 422 in parallel, a second elastic bending position 425 is formed between the bending section 423 and the positioning section 422, the second elastic bending position 425 is disposed toward the display module 200, and the second elastic bending position 425 reserves a bending space between the bending section 423 and the positioning section 422, so that the bending section 423 can bend toward the positioning section 422. By adopting the above manner, when the locking section 421 contracts towards the fixing member 300, the first elastic bending position 424 changes in angle to a certain extent, and the second elastic bending position 425 also changes in bending to a certain extent, so as to prevent the first elastic bending position 424 from changing in angle excessively, and influence the elastic reset of the first elastic bending position 424, and further influence the outward expansion of the locking section 421.
It can be understood that, when it is necessary to detach the display module 200 through the back surface 220 of the frame body 100, a user can pull the inner side of the second elastic bending portion 425 by using a corresponding tool, so as to pull the bending portion 423 and the positioning portion 422 to move to a side away from the display module 200, so as to pull the locking portion 421 to move, and the abutting portion 352 causes the locking portion 421 to contract towards the fixing member 300, so as to detach the display module 200.
Moreover, since the number of the locking parts 420 is two, two end parts of the operating part 410 are respectively connected with one positioning section 422, the two positioning sections 422 are arranged in parallel, and a guide gap perpendicular to the display module 200 is formed between the two positioning sections 422; meanwhile, the fixing member 300 is fixedly provided with a limiting member 360, the limiting member 360 is located between the two positioning sections 422 and one side of the operating portion 410 away from the display module 200, and the guide gap is slidably connected with the limiting member 360; as can be seen from the above, by the arrangement of the limiting member 360, the limiting member 360 prevents the operating portion 410 from being pushed excessively, so that the locking member 400 is separated from the fixing member 300; when the operating portion 410 abuts against the limiting member 360, the locking segment 421 is retracted to a desired position, so that the fixing member 300 can slide away from the locking hole 110. In addition, because the guide piece guides the operation portion 410 by guiding the two positioning sections 422, the operation portion 410 can stably vertically move to a side away from the display module 200 under the external action of the operation portion 410, thereby stably controlling the contraction of the locking piece 400.
In some embodiments, the fixing member 300 defines a guiding cavity 340 therein, the guiding cavity 340 communicates with an end surface of the fixing member 300 away from the display module 200, the two guiding portions slide in the guiding cavity 340, and the second elastic bending portion 425 is located outside the guiding cavity 340 through a port of the guiding cavity 340, so that a user can operate the second elastic bending portion 425 at the rear side of the frame body 100; meanwhile, the side wall of the fixing member 300 has a guide hole 350, the guide hole 350 is communicated with the guide cavity 340, and the locking section 421 passes through the guide hole 350 and is thereby unfolded to the rear side of the frame body 100 to limit the frame body 100.
It should be noted that the side wall of the guide hole 350 close to the display module 200 is the above-mentioned guide surface 351, and the side wall of the abutting section 426 is always abutted against the side wall of the guide hole 350; meanwhile, the side wall of the guide hole 350 far from the display module 200 is the abutting portion 352, so that when the locking segment 421 moves away from the display module 200, the side wall of the guide hole 350 is along the inclined side wall of the locking segment 421, so as to press the locking segment 421 to deform, and further hide the locking segment 421 into the guide hole 350.
In some embodiments, the fixing member 300 includes a base 310, a first side plate 320 and a second side plate 330, one end of the first side plate 320 is integrally fixed on the base 310, one end of the second side plate 330 abuts against the fixing seat, and the first side plate 320 and the second side plate 330 are disposed opposite to each other and detachably connected together by screws; meanwhile, the guide cavity 340 and the guide hole 350 are formed between the first side plate 320 and the second side plate 330. It can be seen that, when the installation of the locker 400 is performed, the user performs the detachment of the second side plate 330 by detaching the screws, thereby facilitating the installation of the locker 400 in the guide chamber 340 and the guide hole 350.
The base 310 is provided with a through hole 313, one port of the through hole 313 is disposed opposite to the operation hole 230, the other port of the through hole 313 is disposed opposite to the operation portion 410, and an external tool can sequentially pass through the operation hole 230 and the through hole 313 to push the operation portion 410.
In a further embodiment, the base 310 includes a bottom plate 311 and fixing posts 312, the bottom plate 311 and the fixing posts 312 are integrally disposed, the bottom plate 311 is fixedly connected to the back 220 of the display module 200 by screws, the fixing posts 312 are vertically fixed on a side of the bottom surface away from the display module 200 and penetrate through the locking holes 110, and the length of the fixing posts 312 is greater than or equal to the depth of the locking holes 110; meanwhile, the first side plate 320 and the second side plate 330 are disposed in parallel at an end of the fixing column 312 far from the bottom plate 311, and an end surface of the fixing column 312 far from the bottom plate 311 is a guide surface 351. In this way, the fixing posts 312 are long enough to be located at the rear side of the frame 100 when the locking member 400 is unfolded away from the fixing member 300.
According to the maintenance tool 500 of the second aspect embodiment of the present invention, referring to fig. 6 to 9, the maintenance tool 500 is used for disassembling the maintenance mechanism, wherein the maintenance tool 500 includes a pushing member 510, the pushing member 510 is a rod-shaped body, and the diameter of the pushing member 510 is adapted to the diameter of the operation hole 230 and the through hole 313, so that the pushing member 510 can move through the operation hole 230 and the through hole 313, so that the pushing end 511 of the pushing member 510 pushes the operation portion 410 to move to a side away from the display module 200, thereby realizing the disassembly of the display module 200.
In some embodiments, an inner wall of the through hole 313 is provided with an internal thread, and a side wall of the pushing member 510 close to the pushing end 511 is provided with an external thread, and the internal thread is in threaded connection with the external thread, so that the pushing member 510 is stabilized at a certain position, and the locking section 421 is always hidden in the guiding hole 350, thereby facilitating the detachment of the display module 200.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. Maintenance mechanism for display screen, its characterized in that includes:
a frame body having a locking hole;
the display module is provided with a front surface and a back surface, and the front surface is provided with an operation hole communicated with the back surface;
the fixing piece is fixedly arranged on the back face and can movably penetrate through the locking hole;
the locking part is movably arranged on the fixing part and provided with a locking part and an operating part, the locking part is positioned on one side of the frame body, which is far away from the display module, and the operating part can be operated to move to one side, which is far away from the display module, so that the locking part can be contracted towards the fixing part, and the display module is separated from the frame body; wherein the operation portion is disposed opposite to the operation hole.
2. The maintenance mechanism for the display screen according to claim 1, wherein the locking portion comprises a locking section and is unfolded to a side of the frame body away from the display module;
the fixing piece is provided with a butting part, and the butting part is butted with the side wall of the locking section, which is far away from the display module, so that the locking section is contracted towards the fixing piece.
3. The maintenance mechanism for the display screen according to claim 2, wherein the locking portion further includes a positioning section connected to the operation portion and extending away from the display module, and a first elastic bending position is provided between the locking section and the positioning section, so that the locking section is unfolded to a side of the frame body away from the display module.
4. The maintenance mechanism for the display screen according to claim 3, wherein the locking portion further comprises a bending section connected between the positioning section and the locking section, a second elastic bending position is arranged between the bending section and the positioning section and faces the display module, and the first elastic bending position is formed between the bending section and the locking section.
5. The maintenance mechanism for the display screen according to claim 3, wherein the number of the locking portions is two, and the locking portions are symmetrically arranged with respect to the operating portion; a guide gap is formed between the two positioning sections, and the fixing piece is provided with a limiting piece which slides in the guide gap.
6. The maintenance mechanism for a display screen according to claim 1, wherein one end of the locking portion has an abutting section bent toward the fixing member;
the fixing piece is provided with a guide surface which is abutted against the abutting section, and the guide surface is perpendicular to the sliding direction of the operation part.
7. The maintenance mechanism for the display screen according to claim 1, wherein the fixing member has a guide cavity defined therein for the operation portion to slide, and a side wall of the fixing member has a guide hole communicating with the guide cavity and through which the locking portion protrudes.
8. The maintenance mechanism for a display screen of claim 7, wherein the fixing member comprises:
the first side plate is fixedly arranged on the display module;
the second side plate is detachably connected to the first side plate;
wherein the guide cavity is formed between the first side plate and the second side plate.
9. A maintenance tool for disassembling the maintenance mechanism according to any one of claims 1 to 8, characterized by comprising a pushing member having a pushing end that can pass through the operation hole to push the operation portion.
10. The maintenance tool of claim 9, wherein the pusher member is threadably connected with the access hole and/or the fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183074.5A CN112185263A (en) | 2020-10-29 | 2020-10-29 | Maintenance mechanism and maintenance tool for display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183074.5A CN112185263A (en) | 2020-10-29 | 2020-10-29 | Maintenance mechanism and maintenance tool for display screen |
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| CN112185263A true CN112185263A (en) | 2021-01-05 |
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| CN202011183074.5A Pending CN112185263A (en) | 2020-10-29 | 2020-10-29 | Maintenance mechanism and maintenance tool for display screen |
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